Base | Representation |
---|---|
bin | 10011111111100101001010… |
… | …110011011110101111111111 |
3 | 102112100020011122220112021212 |
4 | 103333211022303132233333 |
5 | 43011134440314212122 |
6 | 511003243010315035 |
7 | 24343612626431105 |
oct | 2377451263365777 |
9 | 375306148815255 |
10 | 87932120460287 |
11 | 26021891683524 |
12 | 9a41a01288a7b |
13 | 3a0ac6a71165c |
14 | 179dd1a0b1c75 |
15 | a274b24e7ce2 |
hex | 4ff94acdebff |
87932120460287 has 4 divisors (see below), whose sum is σ = 89045185276320. Its totient is φ = 86819055644256.
The previous prime is 87932120460277. The next prime is 87932120460293. The reversal of 87932120460287 is 78206402123978.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 87932120460287 - 24 = 87932120460271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87932120460277) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556532407898 + ... + 556532408055.
It is an arithmetic number, because the mean of its divisors is an integer number (22261296319080).
Almost surely, 287932120460287 is an apocalyptic number.
87932120460287 is a deficient number, since it is larger than the sum of its proper divisors (1113064816033).
87932120460287 is a wasteful number, since it uses less digits than its factorization.
87932120460287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113064816032.
The product of its (nonzero) digits is 16257024, while the sum is 59.
The spelling of 87932120460287 in words is "eighty-seven trillion, nine hundred thirty-two billion, one hundred twenty million, four hundred sixty thousand, two hundred eighty-seven".
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